30280460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{216289}}^1$

素因数の和:216305

約数の個数: 24

約数和(自身を含む): 72673440

約数和(自身を除く): 42392980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 216289, 432578, 865156, 1081445, 1514023, 2162890, 3028046, 4325780, 6056092, 7570115, 15140230, 30280460]

約数ペア:

[(1, 30280460), (2, 15140230), (4, 7570115), (5, 6056092), (7, 4325780), (10, 3028046), (14, 2162890), (20, 1514023), (28, 1081445), (35, 865156), (70, 432578), (140, 216289)]